A diet high in saturated fats, fructose, emulsifiers and alcohol ingestion, along with vitamin A deficiency and changes in diet or the microbiota that lower butyrate levels can impair barrier function and increase permeability
However, the body is generally very efficient at excreting excess B12 through urine without any issues
(Klasse 1, 2 und LAPL) Kardiologische Privatpraxis Zeitlich schneller und fachlich kompetenter Zugang zu kardiologischen Untersuchungen wie Herzultraschall, Duplex der Halsschlagadern und Cardisiographie fr privatversicherte Patienten und Selbstzahler
"If I feel fine, my B12 is fine." B12 deficiency builds slowly, and your liver reserve masks it for a long stretch
Sourcing matters: Poor-quality versions exist
A systematic review and meta-analysis used to inform international PCOS guidelines discusses potential benefits and limitations (Fitz et al., 2024) in PubMeds record for the review